US4351102A - Method for winding the stator in a three phase AC machine - Google Patents

Method for winding the stator in a three phase AC machine Download PDF

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Publication number
US4351102A
US4351102A US05/937,913 US93791378A US4351102A US 4351102 A US4351102 A US 4351102A US 93791378 A US93791378 A US 93791378A US 4351102 A US4351102 A US 4351102A
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United States
Prior art keywords
winding
groove
grooves
phase
starting
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Expired - Lifetime
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US05/937,913
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English (en)
Inventor
Alfred Grozinger
Manfred Frister
Helmut Kreuzer
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Robert Bosch GmbH
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Robert Bosch GmbH
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/28—Layout of windings or of connections between windings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49009—Dynamoelectric machine

Definitions

  • the present invention relates to a method for winding the stator of a three phase AC machine.
  • a winding method suitable for machine winding of the stator of an AC generator is particularly advantageous.
  • a first winding is wound from a first starting groove to a first end groove and a wire end is furnished near said first end groove.
  • a second winding is wound starting at a second groove adjacent to said first groove and ending at a second end groove adjacent to said first end groove. Again, a second wire end is supplied near said second end groove.
  • a third winding is wound starting at a third starting groove adjacent to said second groove and ending at a third end groove adjacent to said second end groove.
  • a third wire end is created near said third end groove.
  • the starts of the winding at said first, second and third groove and said first, second and third wire ends are then electrically interconnected in such a manner that the start of the second winding and the second winding end are electrically interchanged.
  • distributed windings are used in order to increase the space factor for the grooves and to create an even better arrangement of the coil ends.
  • FIG. 1 shows the voltages induced in each winding of a three phase AC generator as a function of angle of rotation
  • FIG. 2 is a schematic diagram showing the construction of an AC generator
  • FIG. 3 is a winding diagram of a known winding method
  • FIG. 4 shows a three phase winding connected in a Y connection
  • FIGS. 5-7 show a first, second and third embodiment of a winding method of the present invention as applied to a three phase 12 pole AC generator.
  • FIG. 1 shows the variation of voltage induced in each of three windings as a function of the angle of rotation of the stator. As is well known, an angle of 120° exists between the individual phases.
  • FIG. 2 shows the construction of a 12 pole three phase AC generator.
  • the number of poles 2p is equal to 12, and the number of grooves per pole and phase n is equal to 1.
  • the number of phases m equal 3.
  • the number of grooves N is thus N equal 36.
  • the first winding is started at groove 1. Specifically, a winding 40 whose winding start is designated by the letter u is inserted into groove 1, a winding 41 whose winding start is denoted by the letter v is inserted into groove 3 and a winding 42 whose winding start is denoted by the letter w is inserted into groove 5.
  • FIG. 3 shows the winding diagram corresponding to this known method.
  • the start of the first winding 40 is denoted by u, that of the second winding 41 by v and that of the third winding by w.
  • Winding end x of the first winding is in groove 34, the winding end y of the second winding in groove 36 and the winding end z of the third winding in groove 2.
  • An electrical phase angle of 120° results between the individual conductors of the three phase winding.
  • the individual windings are then connected as desired, for example in a known Y connection as shown in FIG. 4. Specifically, winding ends x, y, z are connected at a common point.
  • the winding diagram shown in FIG. 3 is disadvantageous for machine winding, because the winding ends interfere with each other and thereby cause the space factor for the individual grooves to be very low.
  • FIG. 5 A more advantageous winding method and one which is easier to carry out on a machine is shown in FIG. 5.
  • a first winding is inserted in groove 1.
  • the start of the first winding is denoted by the letter u.
  • This strand is then wound through groove 4, etc.
  • the winding end of the first winding is in groove 34.
  • a strand is inserted into the second groove 2 and wound until it ends at groove 35.
  • a strand is inserted in groove 3 and wound to end at groove 36.
  • the start of the winding inserted in groove 3 is v
  • the end of the strand ending at groove 36 is y.
  • each of the three windings has an electrical phase angle of 120° relative to the other two.
  • the winding diagram shown in FIG. 5 results in a process wherein the coil ends do not interfere with each other during insertion of the windings. This allows the space utilization factor to be substantially increased.
  • a first partial winding is wound starting at groove 1, the winding continuing in the direction of increasing groove numbers from u 1 to x 1 .
  • a second winding is wound from z 1 to w 1
  • the third partial winding starting in groove 3 is wound from v 1 to y 1 .
  • a second group of partial windings is wound and inserted into the grooves as shown in FIG. 5.
  • the insertion of the windings for the first phase of the second group of windings starts in groove 4, the winding taking place from x 2 to u 2 . Thereafter the second partial winding is started in groove 5. The winding proceeds from w 2 to z 2 . Finally, the second partial group for the third phase is wound starting in groove 6 and proceeding in the same direction from y 2 to v 2 . It will be noted that the winding direction for the first, second and third groups of partial windings is the same, that is in the direction of increasing groove numbers. The phase angle of 120° between individual phases is again achieved by interchanging the end terminals of the middle winding.
  • the coil ends are then connected as follows: u 1 is connected to u 2 to yield end u; v 1 is connected to v 2 to yield end v; w 1 is connected to w 2 to yield end w.
  • the coil ends x 1 , x 2 , y 1 , y 2 , z 1 , z 2 are all interconnected to constitute the center point of the Y.
  • the distributed winding diagram shown in FIG. 6 illustrates a method which yields a particularly high space factor for the grooves of the stator.
  • the individual coil ends of the windings are arranged next to each other similarly as in a two layer winding without interfering with each other either during or after insertion. It is a further advantage of the method illustrated by the diagram of FIG. 6 that the winding takes place in the same direction throughout. This advantage compensates for the slight disadvantage which results from the fact that 12 winding ends must be electrically connected to each other.
  • the disadvantage of having to connect the 12 winding ends to each other can be eliminated by the method shown in FIG. 7.
  • the individual windings of the different phases are wound simultaneously. That means that the first group of partial windings is wound simultaneously, starting, respectively, in grooves 1, 2 and 3.
  • a second group of partial windings is wound in the opposite direction and inserted into the corresponding grooves, the winding ends appearing in the fourth, fifth and sixth grooves.
  • the ends z and the start w of the second winding are electrically exchanged thereby creating a phase angle of 120° between the individual partial windings of each group.
  • the coil ends do not interfere with each other either in the inserted condition or during insertion.
  • a particularly high space factor results, allowing a higher power output for a machine having the same dimensions as known machines utilizing the previously known winding method.
  • the winding methods described above are in principle as applicable to a lap winding as they are to a wave winding. However, for manufacture on automatic winding machines, the wave winding has been found particularly advantageous.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Windings For Motors And Generators (AREA)
  • Induction Machinery (AREA)
US05/937,913 1977-11-09 1978-08-30 Method for winding the stator in a three phase AC machine Expired - Lifetime US4351102A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2750112A DE2750112C2 (de) 1977-11-09 1977-11-09 Verfahren zur Herstellung von Statorwicklungen für Dreiphasen-Drehstromgeneratoren
DE2750112 1977-11-09

Publications (1)

Publication Number Publication Date
US4351102A true US4351102A (en) 1982-09-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
US05/937,913 Expired - Lifetime US4351102A (en) 1977-11-09 1978-08-30 Method for winding the stator in a three phase AC machine

Country Status (9)

Country Link
US (1) US4351102A (es)
JP (1) JPS5475504A (es)
AU (1) AU4023578A (es)
BR (1) BR7807310A (es)
DE (1) DE2750112C2 (es)
ES (1) ES474888A1 (es)
FR (1) FR2408937A1 (es)
GB (1) GB1601828A (es)
IT (1) IT1100462B (es)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4402129A (en) * 1980-03-04 1983-09-06 Robert Bosch Gmbh Method for winding the stator of a three phase generator
US4509564A (en) * 1982-01-25 1985-04-09 Sedgewick Richard D Method for winding annular zig-zag windings
US5328108A (en) * 1990-12-25 1994-07-12 Mabuchi Motor Co., Ltd. Method for winding coils on a Y-connection armature for miniature motors
WO1996013891A1 (fr) * 1994-10-31 1996-05-09 Xiabin Bai Nouvelle structure de generateur
US5881778A (en) * 1997-03-18 1999-03-16 Polytool S.R.L. Method and apparatus for forming a multi-lobed winding for the stator of an alternator, and winding obtained thereby
EP1107427A2 (en) * 1999-12-09 2001-06-13 Denso Corporation Rotary electric machine for vehicle
WO2002039466A1 (en) * 2000-11-02 2002-05-16 SWINTON, Jan Transposed winding for random-wound electrical machines operating at high frequencies
FR2832265A1 (fr) * 2000-09-25 2003-05-16 Denso Corp Machine electrique tournante et procede pour la fabriquer
US20040261255A1 (en) * 2003-06-30 2004-12-30 Wolfgang Stroebel Method for making an electromagnetically excitable core of an electrical machine with a multiphase winding
WO2007080337A1 (fr) * 2006-01-16 2007-07-19 Valeo Equipements Electriques Moteur Stator de machine electrique tournante comportant un bobinage a enroulements du type ondule mixte
US20080072990A1 (en) * 2005-07-12 2008-03-27 Robert Bosch Gmbh Method for Producing a Winding of an Electrical Machine
US20090224092A1 (en) * 2008-03-05 2009-09-10 Denso Corporation Weaving machine for coil assembly of rotary electric machine
US20090260217A1 (en) * 2008-04-18 2009-10-22 Denso Corporation Method of manufacturing coil assembly
US20090260218A1 (en) * 2008-04-21 2009-10-22 Denso Corporation Method for manufacturing a stator for inner-rotor type rotary electric machines
US20090260219A1 (en) * 2008-04-21 2009-10-22 Denso Corporation Method of manufacturing coil for stator incorporated in rotary electric machine
US20120242261A1 (en) * 2011-03-22 2012-09-27 Siemens Industry, Inc. Modular reconfigurable polyphase power transformer
CN102969816A (zh) * 2012-12-14 2013-03-13 山东理工大学 一种汽车用三相短距绕组永磁交流发电机

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58175940A (ja) * 1982-04-05 1983-10-15 Nippon Denso Co Ltd 三相扁平コイル
EP0091123B1 (en) * 1982-04-05 1986-09-03 Nippondenso Co., Ltd. Three-phase flat coils
JPS59165935A (ja) * 1983-03-09 1984-09-19 Nippon Denso Co Ltd 三相扁平コイル
FR2608334B1 (fr) * 1986-12-16 1989-03-31 Paris & Du Rhone Procede de bobinage d'un stator de machine tournante electrique, et dispositif pour la mise en oeuvre de ce procede
JP3952346B2 (ja) * 1998-05-20 2007-08-01 株式会社デンソー 回転電機及びその製造方法
JP5298556B2 (ja) * 2008-02-13 2013-09-25 株式会社デンソー ステータコイルの製造方法
DE102013226875A1 (de) 2013-12-20 2015-07-09 Robert Bosch Gmbh Verfahren zur Herstellung einer mehrphasigen Wicklung für einen Stator einer elektrischen Maschine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3044150A (en) * 1958-01-10 1962-07-17 Westinghouse Electric Corp Winding of stator coils
US3290759A (en) * 1963-09-26 1966-12-13 Allis Chalmers Mfg Co Method of manufacturing dynamoelectric machines
US3760493A (en) * 1970-04-20 1973-09-25 Gen Electric Method of winding a dynamoelectric machine with reduced coil distortion

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE722952C (de) * 1939-10-08 1942-07-24 Siemens Ag Sich ueberlappende Zweischichtendrehstromwicklung
US2414571A (en) * 1943-08-11 1947-01-21 Westinghouse Electric Corp Polyphase armature winding
GB1188515A (en) * 1966-06-27 1970-04-15 Lucas Industries Ltd Stator Assemblies for Dynamo Electric Machines
DE1908457B2 (de) * 1969-02-20 1971-10-21 Mehrphasige zweischicht stab wellenwicklung fuer einen linearen wanderfeldinduktor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3044150A (en) * 1958-01-10 1962-07-17 Westinghouse Electric Corp Winding of stator coils
US3290759A (en) * 1963-09-26 1966-12-13 Allis Chalmers Mfg Co Method of manufacturing dynamoelectric machines
US3760493A (en) * 1970-04-20 1973-09-25 Gen Electric Method of winding a dynamoelectric machine with reduced coil distortion

Cited By (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4402129A (en) * 1980-03-04 1983-09-06 Robert Bosch Gmbh Method for winding the stator of a three phase generator
US4509564A (en) * 1982-01-25 1985-04-09 Sedgewick Richard D Method for winding annular zig-zag windings
US5328108A (en) * 1990-12-25 1994-07-12 Mabuchi Motor Co., Ltd. Method for winding coils on a Y-connection armature for miniature motors
US5925959A (en) * 1994-10-31 1999-07-20 Xiabin Bai Electric generator with novel structure
WO1996013891A1 (fr) * 1994-10-31 1996-05-09 Xiabin Bai Nouvelle structure de generateur
GB2311173A (en) * 1994-10-31 1997-09-17 Xiabin Bai New structure generator
GB2311173B (en) * 1994-10-31 1998-05-13 Xiabin Bai An Electric Generator
AU706924B2 (en) * 1994-10-31 1999-07-01 Xiabin Bai An electric generator
US5881778A (en) * 1997-03-18 1999-03-16 Polytool S.R.L. Method and apparatus for forming a multi-lobed winding for the stator of an alternator, and winding obtained thereby
US6019141A (en) * 1997-03-18 2000-02-01 Polytool S.R.L. Method and apparatus for forming a multi-lobed winding for the stator of an alternator
US6196273B1 (en) 1997-03-18 2001-03-06 Polytool Srl Method and apparatus for forming a multi-lobed winding for the stator of an alternator
US6564832B2 (en) 1997-03-18 2003-05-20 Polytool S.R.L. Formation of a multi-lobed electrical winding
EP1107427A2 (en) * 1999-12-09 2001-06-13 Denso Corporation Rotary electric machine for vehicle
EP1107427A3 (en) * 1999-12-09 2002-05-22 Denso Corporation Rotary electric machine for vehicle
US6417592B2 (en) 1999-12-09 2002-07-09 Denso Corporation Rotary electric machine for vehicle
US20040083597A1 (en) * 2000-09-25 2004-05-06 Denso Corporation Rotary electric machine and method for manufacturing the same
US7143506B2 (en) 2000-09-25 2006-12-05 Denso Corporation Rotary electric machine and method for manufacturing the same
FR2832265A1 (fr) * 2000-09-25 2003-05-16 Denso Corp Machine electrique tournante et procede pour la fabriquer
US20020096959A1 (en) * 2000-11-02 2002-07-25 Capstone Turbine Corporation Transposed winding for random-wound electrical machines operating at high frequencies
WO2002039466A1 (en) * 2000-11-02 2002-05-16 SWINTON, Jan Transposed winding for random-wound electrical machines operating at high frequencies
US7726005B2 (en) 2003-06-30 2010-06-01 Robert Bosch Gmbh Method for making an electromagnetically excitable core of an electrical machine with a multiphase winding
US20040261255A1 (en) * 2003-06-30 2004-12-30 Wolfgang Stroebel Method for making an electromagnetically excitable core of an electrical machine with a multiphase winding
EP1494338A1 (de) * 2003-06-30 2005-01-05 Robert Bosch Gmbh Herstellungsverfahren eines Kerns einer elektrischen Maschine
US20080072990A1 (en) * 2005-07-12 2008-03-27 Robert Bosch Gmbh Method for Producing a Winding of an Electrical Machine
US8230578B2 (en) * 2005-07-12 2012-07-31 Robert Bosch Gmbh Method for producing a winding of an electrical machine
WO2007080337A1 (fr) * 2006-01-16 2007-07-19 Valeo Equipements Electriques Moteur Stator de machine electrique tournante comportant un bobinage a enroulements du type ondule mixte
FR2896347A1 (fr) * 2006-01-16 2007-07-20 Valeo Equip Electr Moteur Stator de machine electrique tournante comportant un bobinage a enroulements du type ondule mixte
CN101371420B (zh) * 2006-01-16 2011-11-30 法雷奥电机设备公司 包括具有混合波形绕组的线圈的旋转电机定子
US8122593B2 (en) * 2008-03-05 2012-02-28 Denso Corporation Weaving machine for coil assembly of rotary electric machine
US20090224092A1 (en) * 2008-03-05 2009-09-10 Denso Corporation Weaving machine for coil assembly of rotary electric machine
US20090260217A1 (en) * 2008-04-18 2009-10-22 Denso Corporation Method of manufacturing coil assembly
US8186039B2 (en) * 2008-04-18 2012-05-29 Denso Corporation Method of manufacturing coil assembly
US20090260219A1 (en) * 2008-04-21 2009-10-22 Denso Corporation Method of manufacturing coil for stator incorporated in rotary electric machine
US20090260218A1 (en) * 2008-04-21 2009-10-22 Denso Corporation Method for manufacturing a stator for inner-rotor type rotary electric machines
US8136221B2 (en) * 2008-04-21 2012-03-20 Denso Corporation Method of manufacturing coil for stator incorporated in rotary electric machine
US8215001B2 (en) * 2008-04-21 2012-07-10 Denso Corporation Method for manufacturing a stator for inner-rotor type rotary electric machines
US20120242261A1 (en) * 2011-03-22 2012-09-27 Siemens Industry, Inc. Modular reconfigurable polyphase power transformer
US8836462B2 (en) * 2011-03-22 2014-09-16 Siemens Industry, Inc. Modular reconfigurable polyphase power transformer
CN102969816A (zh) * 2012-12-14 2013-03-13 山东理工大学 一种汽车用三相短距绕组永磁交流发电机

Also Published As

Publication number Publication date
JPS6226252B2 (es) 1987-06-08
AU4023578A (en) 1980-04-03
ES474888A1 (es) 1979-03-16
IT7829597A0 (it) 1978-11-08
DE2750112C2 (de) 1982-09-09
JPS5475504A (en) 1979-06-16
DE2750112A1 (de) 1979-05-10
IT1100462B (it) 1985-09-28
FR2408937A1 (fr) 1979-06-08
FR2408937B1 (es) 1984-03-16
GB1601828A (en) 1981-11-04
BR7807310A (pt) 1979-06-12

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